Thorax Osteology Flashcards
What bones form the costovertebral joints?
Articular facets on the head of ribs (V1)
Costal facets on bodies of thoracic vertebrae (V1)
What type of joint is the costovertebral joint?
Plane type of synovial joint
Which ligaments are associated with the costovertebral joints?
- Capsular ligament (joint capsule)
- Radiate Ligament
- Intra-articular ligament
What joint does the radiate ligament support?
Costovertebral Joints
What joint does the Intra-articular ligament support?
Costovertebral Joints
What is the origin and insertion of the radiate ligament?
O: anterior aspect of rib head
I:
Upper & lower bands - sides of upper and lower vertebrae
Middle band - intervertebral disc
What divides the costovertebral joint cavity in two?
Intra-articular ligament
What bones form the costotransverse joints?
Rib tubercle (V1)
Transverse process of vertebrae (V1)
What type of joint are the costotransverse joints?
Plane type of synovial joint
Which ligaments are associated with the costotransverse joints?
Capsular Ligament
Superior costotransverse ligament
Inferior costotransverse ligament
Lateral transverse ligament
What is the origin and insertion of the superior costotransverse ligament?
Anterior layer:
O: crest of rib (v1)
I: lower aspect of transverse process (V1-1)
Posterior layer:
O: posterior aspect of neck (V1)
I: transverse process (V1-1)
What is the origin and insertion of the inferior costotransverse ligament?
O: Posterior aspect of rib neck
I: transverse process
What is the origin and insertion of the lateral transverse ligament?
O: non-aritcular part of tubercle
I: tip of transverse process
Which thoracic joints are plane synovial joints?
Costovertebral
Costotransverse
What structures form the Sternocostal joint?
(A) Medial ends of costal cartilage 1-7
(B) Lateral border of sternum